States did have a backlog of maintenance projects, such as repaving dilapidated roads.
各州也确实有很多维修项目，比如修复一些破旧公路。
They were repaving a long section of the roadway, and traffic was limited to one-way.
他们重铺一段很长的巷道，交通仅限于单向的。
In the hot in place recycling project, 39.7% cost could be saved comparing with milling and repaving method.
与传统的铣刨、加铺方式相比，现场热再生可以节约39.7%的工程费用。
In the hot in place recycling project, 39.7% cost could be saved comparing with milling and repaving method.
与传统的铣刨、加铺方式相比，现场热再生可以节约39.7%的工程费用。
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